lix-website/themes/lix/assets/bootstrap/node_modules/es-abstract/2022/IsDetachedBuffer.js
2024-04-26 22:49:34 -06:00

29 lines
1,007 B
JavaScript

'use strict';
var $TypeError = require('es-errors/type');
var $byteLength = require('array-buffer-byte-length');
var availableTypedArrays = require('available-typed-arrays')();
var callBound = require('call-bind/callBound');
var isArrayBuffer = require('is-array-buffer');
var isSharedArrayBuffer = require('is-shared-array-buffer');
var $sabByteLength = callBound('SharedArrayBuffer.prototype.byteLength', true);
// https://262.ecma-international.org/8.0/#sec-isdetachedbuffer
module.exports = function IsDetachedBuffer(arrayBuffer) {
var isSAB = isSharedArrayBuffer(arrayBuffer);
if (!isArrayBuffer(arrayBuffer) && !isSAB) {
throw new $TypeError('Assertion failed: `arrayBuffer` must be an Object with an [[ArrayBufferData]] internal slot');
}
if ((isSAB ? $sabByteLength : $byteLength)(arrayBuffer) === 0) {
try {
new global[availableTypedArrays[0]](arrayBuffer); // eslint-disable-line no-new
} catch (error) {
return !!error && error.name === 'TypeError';
}
}
return false;
};